package jdbc;

import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.SQLException;

/**
 * 使用预编译SQL语句执行INSERT操作
 */
public class JDBCDemo8 {
    public static void main(String[] args) {
        try (Connection connection = DBUtil.getConnection();){
            String sql = "INSERT INTO user(username,password,nickname,age) " +
                         "VALUES(?,?,?,?)";
            PreparedStatement ps = connection.prepareStatement(sql);
            ps.setString(1, "王伟超");
            ps.setString(2, "123456");
            ps.setString(3, "超哥哥");
            ps.setInt(4, 18);

            int num = ps.executeUpdate();
            if(num > 0){
                System.out.println("添加成功");
            }else{
                System.out.println("添加失败");
            }


        } catch (SQLException e) {
            e.printStackTrace();
        }
    }
}
